{"id":2877765,"url":"https://alion.io/job/celero-communications-principal-optical-systems-engineer","title":"Principal Optical Systems Engineer","company":{"id":668982,"name":"Celero Communications","domain":"celerocommunications.com","url":"https://alion.io/company/celerocommunications","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":75,"open_postings":4,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":25,"computed_at":"2026-10-20T05:45:00Z"}},"role":"Hardware","role_family":"Hardware","seniority":"lead","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Ottawa, Canada"],"countries":["CA"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":101000,"max_usd":183000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":16},"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"MATLAB","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-10-19T21:48:27Z","employer_posted_date":"2026-10-19","last_verified_at":"2026-10-20T14:55:35Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"About the role\nWe are seeking a Principal Optical Systems Engineer to join our newly established optical system verification team at Celero Inc. The successful candidate will help lead system integration and validation of advanced coherent optical DSP solutions. Key areas of focus include defining system specifications, delivering test strategies for DSP and optical integration, supporting firmware solutions to resolve integration challenges in pluggable modules, and driving cross-domain debugging and optimization across DSP, optics, and hardware. You will also help shape architecture and next-generation product direction (1.6T and beyond).\nThis role requires deep expertise in communication theory, DSP algorithms, and optical systems, combined with strong leadership in defining validation methodologies and resolving complex cross-functional issues.\nKey Responsibilities\nPartner with the DSP systems group to translate high-level system requirements into DSP performance targets for equalization, clock recovery, and laser frequency and phase recovery\nEstablish link budgets based on DSP specifications to set performance targets for optical components and work with module partners to optimize link margin\nLead development of high-fidelity system models that correlate with ROSNR and module receiver sensitivity measurements\nLead resolution of critical system-level issues spanning DSP algorithms, analog front-end calibrations, and optical impairments\nDevelop structured debug frameworks to isolate multi-domain problems\nWork with module partners to define system-level test frameworks and adopt qualification test plans from tier-1 customers to expedite module deployment\nOversee bring-up of new DSP ASIC EVBs and coherent optical modules\nRequired Qualifications\nMaster’s or PhD in Electrical Engineering, Optical Communications, Photonics, or related field, or equivalent experience\n10+ years of experience in coherent optical systems or high-speed communication systems\nProven track record of leading system verification of coherent optical DSP products (e.g., 400ZR, 800ZR, coherent-lite).\nHands-on experience working with:\nOptical communication hardware and components - EVBs and pluggable modules\nHigh-speed optical and electrical test/measurement equipment, such as OSA, RTO, DCA, and AWG\nExtensive understanding of DSP and FEC for coherent optical communication systems, including experience with QPSK, 16QAM, and 64QAM.\nProgramming experience in Python, MATLAB, and/or C\nPreferred Qualifications\nFamiliarity with OIF implementation agreements (400ZR, 800ZR), OpenZR+, and the CMIS management interface for pluggable modules\nExperience with advanced coherent techniques, such as probabilistic constellation shaping and soft-decision FEC (e.g., oFEC)\nKnowledge of coherent optical components (tunable lasers, modulators, ICRs, silicon photonics or InP) and how their impairments affect DSP performance, such as laser phase noise, PDL, PMD, and fiber nonlinearity\nFamiliarity with OTDR-based fiber link characterization\nExperience building automated test frameworks in Python, including instrument control\nExperience working directly with hyperscale or tier-1 network operator customers\nPublications or patents in optical communications or DSP","description_format":"text","description_chars":3262,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"master","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Telecom Infrastructure","Semiconductor IP & Chip Design Services"],"lifecycle":[{"event":"open","at":"2026-10-19T21:59:13Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":0,"expected_fill_days":25,"reasons":["conf:0","velocity","win:early"],"computed_at":"2026-10-20T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/celero-communications-principal-optical-systems-engineer","json_url":"https://alion.io/job/celero-communications-principal-optical-systems-engineer.json","meta":{"generated_at":"2026-10-20T16:51:59Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":19124,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-21T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":668982},"rest":"https://alion.io/mcp/rest/get_company?id=668982"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcelero-communications-principal-optical-systems-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fcelero-communications-principal-optical-systems-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fcelero-communications-principal-optical-systems-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/celero-communications-principal-optical-systems-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcelero-communications-principal-optical-systems-engineer"}]}